H01J 17/40
With one cathode and one anode
Official title: with one cathode and one anode, e.g. glow tubes, tuning-indicator glow tubes, voltage-stabiliser tubes, voltage-indicator tubes, (cathode-glow lamps H01J61/04)
H01J17/40 (With one cathode and one anode) appears on 108 US grants and 29 published applications in this corpus.
Search patents in H01J- Granted patents
- 108
- Published applications
- 29
- Assignees
- 57
- Inventors
- 170
- Latest grant
- 26 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 5 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 7 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 1 |
| 2004 | 3 | 4 |
| 2005 | 1 | 2 |
| 2006 | 3 | 2 |
| 2007 | 1 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 2 | 1 |
| 2011 | 2 | 2 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 2 | 3 |
| 2020 | 1 | 2 |
| 2021 | 1 | 1 |
| 2022 | 3 | 0 |
| 2023 | 1 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Glow discharge tube with a set of electrodes within a gas-sealed envelope26 Sep 2023US 11,769,991 B2Unison Industries, LLC
- Bidirectional gas discharge tube25 Oct 2022US 11,482,394 B2General Electric Technology GmbH
- Microscale gas breakdown device and process28 Jun 2022US 11,371,960 B2Board of Trustees of Michigan State University
- Metallic glow discharge diode and triode devices with large cold cathode as efficient charge generator—a power cell5 Apr 2022US 11,296,620 B2
- System and method for acoustic to electronic transduction2 Nov 2021US 11,161,147 B2The Trustees of Princeton University
- Glow discharge tube with a set of electrodes within a gas-sealed envelope6 Apr 2023US 2023/0104635 A1Unison Industries, LLC
- Bidirectional gas discharge tube15 Jul 2021US 2021/0217573 A1General Electric Company
- Metallic Glow Discharge Diode and Triode Devices With Large Cold Cathode As Efficient Charge Generator - A Power Cell27 Aug 2020US 2020/0274464 A1
- Microscale Gas Breakdown Device And Process30 Jan 2020US 2020/0033293 A1Board of Trustees of Michigan State University
- System and method for acoustic to electronic transduction8 Aug 2019US 2019/0240696 A1The Trustees of Princeton University
Most cited
By later US patents
- Coaxial pseudospark discharge switch74US 5,126,638 AMaxwell Laboratories, Inc. · 1992
- Linear aperture pseudospark switch58US 6,104,022 ATetra Corporation · 2000
- Modulator switch with low voltage control56US 4,596,945 AHughes Aircraft Company · 1986
- Triggering technique for multi-electrode spark gap switch46US 5,153,460 AThe United States of America as represented by the Secretary of the Army · 1992
- Nonthermionic hollow anode gas discharge electron beam source44US 4,647,818 ASFE Technologies · 1987